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Finding the Fourth Proportional to 16,961.70, 25,454.70 and 9,558.30

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Solution

The fourth proportional to 16,961.70, 25,454.70 and 9,558.30 is: 14,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.70 : 25,454.70 = 9,558.30 : x
  2. Step 2: Convert to fraction form
    16,961.70/25,454.70 = 9,558.30/x
  3. Step 3: Cross multiply
    16,961.70x = 25,454.70 × 9,558.30
  4. Step 4: Simplify right side
    16,961.70x = 243,303,659.01
  5. Step 5: Solve for x
    x = 243,303,659.01/16,961.70
  6. Step 6: Final answer
    x = 14,344.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.